Fórum A component named QRStandardPreview already exists #296845

Colega,

Crie este procedure em seu progra, e antes de chamar o preview do quick report execute a procedure.

Procedure DestroiPreview;
var nIdx:Integer;
begin
for nIdx := (Screen.FormCount - 1) downto 0 do
With Screen.Forms[nIdx] do
if ClassName = ´TQRStandardPreview´ then
Destroy;
end;

Espero ter ajudado.